----- _______ in the workshop. Please stop it.

----- Sorry. I________.

A. Smoking is not allowed, don’t know 　 B. Not smoking, an not sure

C. Don’t smoke, have no idea 　 　　　　D. Smoking is forbidden, didn’t know

----- _______ in the workshop. Please stop it.

----- Sorry. I________.

1. A.
   Smoking is not allowed, don’t know
2. B.
   Not smoking, an not sure
3. C.
   Don’t smoke, have no idea
4. D.
   Smoking is forbidden, didn’t know

— ________ in the workshop, please stop it.

—Sorry, I ________.

A. Not smoking; am not sure

B. Don’t smoke; have no idea

C. Smoking is not allowed; don’t know

D. Smoking is forbidden; didn’t know

—Sorry, I ________.

A. Not smoking; am not sure

B. Don’t smoke; have no idea

C. Smoking is not allowed; don’t know

D. Smoking is forbidden; didn’t know

----- _______ in the workshop. Please stop it.

----- Sorry. I________.

　 A. Smoking is not allowed, don’t know 　 B. Not smoking, an not sure

　 C. Don’t smoke, have no idea 　        D. Smoking is forbidden, didn’t know